<input type="checkbox" aria-checked="false" id="pass1" />
<input type="checkbox" aria-checked="true" checked id="pass2" />
<table role="treegrid">
  <tr
    id="pass3"
    role="row"
    aria-level="1"
    aria-posinset="1"
    aria-setsize="1"
    aria-expanded="true"
  >
    <td role="gridcell">Treegrids are awesome</td>
  </tr>
</table>

<div role="table">
  <div role="row" aria-expanded="false" id="fail1"></div>
  <div role="row" aria-posinset="1" id="fail2"></div>
  <div role="row" aria-setsize="10" id="fail3"></div>
  <div role="row" aria-level="1" id="fail4"></div>
</div>

<div role="grid">
  <div role="row" aria-expanded="false" id="fail5"></div>
  <div role="row" aria-posinset="1" id="fail6"></div>
  <div role="row" aria-setsize="10" id="fail7"></div>
  <div role="row" aria-level="1" id="fail8"></div>
</div>

<input type="checkbox" aria-checked="mixed" id="fail9" />
<input type="checkbox" aria-checked="true" id="fail10" />
<input type="checkbox" aria-checked="false" checked id="fail11" />
